毋庸置疑，我对流星很新。我想在我的meteor mongo和mini mongo（在浏览器上）保存数据，并维持maleCount和femaleCount的值。
几年后我正在编写代码。它将从以下显示。请帮助我将'maleCount'和'femaleCount'的值存储到本地'post'集合中，将它们检索到我的会话中并在运行时操作它们。感谢。
Javascript代码 -
counter1 = 0;
counter2 = 0;
c1=0;
c2=0;
maleCount = 0;
femaleCount = 0;
// rec = post.find('1').fetch();
// console.log(rec[0].maleCount);
// //console.log(rec[1].maleCount);
// maleCount = rec[0].maleCount;
// femaleCount = rec[0].femaleCount;
clk = 0
//maleCount = cnt[0].maleCount;
//femaleCount = cnt[0].femaleCount;
if (Meteor.isClient) {
//getCount();
Session.setDefault('counter1', 0);
Session.setDefault('counter2', 0);
Session.set('maleCount', maleCount);
Session.set('femaleCount', femaleCount);
rec = post.find('1').fetch();
console.log(rec[0].maleCount);
//console.log(rec[1].maleCount);
maleCount = rec[0].maleCount;
femaleCount = rec[0].femaleCount;
console.log(rec[0].femaleCount);
Template.hello.helpers({
counter1: function () {
c1 = Session.get('counter1');
return c1;
console.log(c1);
},
counter2: function () {
c2 = Session.get('counter2');
return c2;
},
maleCount: function() {
mc = Session.get('maleCount');
return mc;
},
femaleCount: function() {
fc = Session.get('femaleCount');
return fc;
},
post: function() {
return post;
}
});
Template.hello.events({
'click #maleb': function () {
// increment the counter when button is clicked
Session.set('counter1', Session.get('counter1') + 1);
clk++;
console.log(clk);
post.update({_id:"1"} , {$set: { 'maleCount' : clk } });
},
'click #femaleb': function () {
// increment the counter when button is clicked
Session.set('counter2', Session.get('counter2') + 1);
},
'click #malec': function () {
// increment the counter when button is clicked
Session.set('counter1', Session.get('counter1') - 1);
},
'click #femalec': function () {
// increment the counter when button is clicked
Session.set('counter2', Session.get('counter2') - 1);
},
'mouseleave #maleb' : function() {
Session.set('maleCount', maleCount);
post.update({_id:"1"} , {$set: {'maleCount' : clk}});
//Session.set('maleCount' , clk);
},
'mouseleave #femaleb' : function() {
Session.set('femaleCount', fc);
},
'mouseleave #malec' : function() {
Session.set('maleCount', mc);
},
'mouseleave #femalec' : function() {
Session.set('femaleCount', fc);
}
});
}
if (Meteor.isServer) {
Meteor.startup(function () {
});
}
common.js -
post = new Mongo.Collection("posts");
post.collection.validate(true);
Schema={};
function getCount()
{
rec = post.find('1').fetch();
console.log(rec[0].maleCount); //console.log(rec[1].maleCount);
maleCount = rec[0].maleCount;
femaleCount = rec[0].femaleCount;
};
Schema.post = new SimpleSchema({_id:{type:String},
maleCount: {type: Number, label: "Title", max: 200 , min :0},
femaleCount: {type: Number, label: "Title", max: 200 , min:0}
}
);
post.attachSchema(Schema.post);
// rec = post.find('1').fetch();
// console.log(rec[0].maleCount); //console.log(rec[1].maleCount);
// maleCount = rec[0].maleCount;
// femaleCount = rec[0].femaleCount;
//getCount();
//maleCount = this.maleCount;
//femaleCount = this.femaleCount;
if(post.find().count() === 0)
{
post.insert({_id: "0" , 'maleCount' : 0 , 'femaleCount' : 0});
//post.update({_id:"1"}, {$set: {'_id':'1', 'maleCount' : 'maleCount' , 'femaleCount' : 'femaleCount'}} , {upsert:true});
//post.insert({_id:"1" , 'maleCount' : 'maleCount' , 'femaleCount' : 'femaleCount'});
post.update({_id:"1"}, {$set : {'_id':'1','maleCount ' : 'maleCount' , 'femaleCount' : 'femaleCount'} } , {upsert : true});
}
//cnt = post.find('1');
//isValid = Match.test(cnt, Schema.post);
post.allow({
insert: function(doc){
return doc;
},
update: function(doc){
return doc;
},
remove: function(doc){
return doc;
}
});
查询，如post.find（'1'）。fetch（）;有时会向我返回错误，当我将其值存储在对象中时，返回undefined。有人能指出我正确的方向吗？